vim: src/blob.c annotate

annotate src/blob.c @ 15515:99a4cc4782ac v8.1.0765

patch 8.1.0765: string format of a Blob can't be parsed back commit https://github.com/vim/vim/commit/4131fd5509b283e978e8c6161f09643b64719787 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 17 16:32:53 2019 +0100 patch 8.1.0765: string format of a Blob can't be parsed back Problem: String format of a Blob can't be parsed back. Solution: Use 0z format.

author	Bram Moolenaar <Bram@vim.org>
date	Thu, 17 Jan 2019 16:45:06 +0100
parents	55ccc2d353bd
children	c2382f0d1279

rev	line source
15454 1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	2 *
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	3 * VIM - Vi IMproved by Bram Moolenaar
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	4 *
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	5 * Do ":help uganda" in Vim to read copying and usage conditions.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	6 * Do ":help credits" in Vim to see a list of people who contributed.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	7 * See README.txt for an overview of the Vim source code.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	8 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	9
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	10 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	11 * blob.c: Blob support by Yasuhiro Matsumoto
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	12 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	13
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	14 #include "vim.h"
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	15
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	16 #if defined(FEAT_EVAL) \|\| defined(PROTO)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	17
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	18 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	19 * Allocate an empty blob.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	20 * Caller should take care of the reference count.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	21 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	22 blob_T *
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	23 blob_alloc(void)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	24 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	25 blob_T blob = (blob_T )alloc_clear(sizeof(blob_T));
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	26
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	27 if (blob != NULL)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	28 ga_init2(&blob->bv_ga, 1, 100);
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	29 return blob;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	30 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	31
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	32 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	33 * Allocate an empty blob for a return value, with reference count set.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	34 * Returns OK or FAIL.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	35 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	36 int
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	37 rettv_blob_alloc(typval_T *rettv)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	38 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	39 blob_T *b = blob_alloc();
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	40
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	41 if (b == NULL)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	42 return FAIL;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	43
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	44 rettv_blob_set(rettv, b);
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	45 return OK;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	46 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	47
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	48 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	49 * Set a blob as the return value.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	50 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	51 void
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	52 rettv_blob_set(typval_T rettv, blob_T b)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	53 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	54 rettv->v_type = VAR_BLOB;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	55 rettv->vval.v_blob = b;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	56 if (b != NULL)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	57 ++b->bv_refcount;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	58 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	59
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	60 void
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	61 blob_free(blob_T *b)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	62 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	63 ga_clear(&b->bv_ga);
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	64 vim_free(b);
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	65 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	66
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	67 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	68 * Unreference a blob: decrement the reference count and free it when it
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	69 * becomes zero.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	70 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	71 void
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	72 blob_unref(blob_T *b)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	73 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	74 if (b != NULL && --b->bv_refcount <= 0)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	75 blob_free(b);
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	76 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	77
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	78 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	79 * Get the length of data.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	80 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	81 long
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	82 blob_len(blob_T *b)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	83 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	84 if (b == NULL)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	85 return 0L;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	86 return b->bv_ga.ga_len;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	87 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	88
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	89 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	90 * Get byte "idx" in blob "b".
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	91 * Caller must check that "idx" is valid.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	92 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	93 char_u
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	94 blob_get(blob_T *b, int idx)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	95 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	96 return ((char_u*)b->bv_ga.ga_data)[idx];
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	97 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	98
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	99 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	100 * Store one byte "c" in blob "b" at "idx".
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	101 * Caller must make sure that "idx" is valid.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	102 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	103 void
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	104 blob_set(blob_T *b, int idx, char_u c)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	105 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	106 ((char_u*)b->bv_ga.ga_data)[idx] = c;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	107 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	108
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	109 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	110 * Return TRUE when two blobs have exactly the same values.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	111 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	112 int
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	113 blob_equal(
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	114 blob_T *b1,
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	115 blob_T *b2)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	116 {
15456 f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	117 int i;
f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	118 int len1 = blob_len(b1);
f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	119 int len2 = blob_len(b2);
15454 1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	120
15456 f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	121 // empty and NULL are considered the same
f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	122 if (len1 == 0 && len2 == 0)
f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	123 return TRUE;
15454 1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	124 if (b1 == b2)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	125 return TRUE;
15456 f01eb1aed348 patch 8.1.0736: code for Blob not sufficiently tested Bram Moolenaar <Bram@vim.org> parents: 15454 diff changeset	126 if (len1 != len2)
15454 1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	127 return FALSE;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	128
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	129 for (i = 0; i < b1->bv_ga.ga_len; i++)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	130 if (blob_get(b1, i) != blob_get(b2, i)) return FALSE;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	131 return TRUE;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	132 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	133
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	134 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	135 * Read "blob" from file "fd".
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	136 * Return OK or FAIL.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	137 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	138 int
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	139 read_blob(FILE fd, blob_T blob)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	140 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	141 struct stat st;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	142
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	143 if (fstat(fileno(fd), &st) < 0)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	144 return FAIL;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	145 if (ga_grow(&blob->bv_ga, st.st_size) == FAIL)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	146 return FAIL;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	147 blob->bv_ga.ga_len = st.st_size;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	148 if (fread(blob->bv_ga.ga_data, 1, blob->bv_ga.ga_len, fd)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	149 < (size_t)blob->bv_ga.ga_len)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	150 return FAIL;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	151 return OK;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	152 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	153
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	154 /*
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	155 * Write "blob" to file "fd".
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	156 * Return OK or FAIL.
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	157 */
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	158 int
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	159 write_blob(FILE fd, blob_T blob)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	160 {
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	161 if (fwrite(blob->bv_ga.ga_data, 1, blob->bv_ga.ga_len, fd)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	162 < (size_t)blob->bv_ga.ga_len)
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	163 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15466 diff changeset	164 emsg(_(e_write));
15454 1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	165 return FAIL;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	166 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	167 return OK;
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	168 }
1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	169
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	170 /*
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	171 * Convert a blob to a readable form: "0z00112233.44556677.8899"
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	172 */
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	173 char_u *
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	174 blob2string(blob_T blob, char_u tofree, char_u numbuf)
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	175 {
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	176 int i;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	177 garray_T ga;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	178
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	179 if (blob == NULL)
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	180 {
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	181 *tofree = NULL;
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	182 return (char_u *)"0z";
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	183 }
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	184
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	185 // Store bytes in the growarray.
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	186 ga_init2(&ga, 1, 4000);
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	187 ga_concat(&ga, (char_u *)"0z");
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	188 for (i = 0; i < blob_len(blob); i++)
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	189 {
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	190 if (i > 0 && (i & 3) == 0)
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	191 ga_concat(&ga, (char_u *)".");
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	192 vim_snprintf((char *)numbuf, NUMBUFLEN, "%02X", (int)blob_get(blob, i));
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	193 ga_concat(&ga, numbuf);
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	194 }
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	195 *tofree = ga.ga_data;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	196 return *tofree;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	197 }
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	198
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	199 /*
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	200 * Convert a string variable, in the format of blob2string(), to a blob.
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	201 * Return NULL when conversion failed.
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	202 */
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	203 blob_T *
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	204 string2blob(char_u *str)
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	205 {
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	206 blob_T *blob = blob_alloc();
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	207 char_u *s = str;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	208
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	209 if (s[0] != '0' \|\| (s[1] != 'z' && s[1] != 'Z'))
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	210 goto failed;
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	211 s += 2;
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	212 while (vim_isxdigit(*s))
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	213 {
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	214 if (!vim_isxdigit(s[1]))
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	215 goto failed;
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	216 ga_append(&blob->bv_ga, (hex2nr(s[0]) << 4) + hex2nr(s[1]));
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	217 s += 2;
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	218 if (*s == '.' && vim_isxdigit(s[1]))
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	219 ++s;
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	220 }
15515 99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	221 if (*skipwhite(s) != NUL)
99a4cc4782ac patch 8.1.0765: string format of a Blob can't be parsed back Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	222 goto failed; // text after final digit
15466 435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	223
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	224 ++blob->bv_refcount;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	225 return blob;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	226
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	227 failed:
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	228 blob_free(blob);
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	229 return NULL;
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	230 }
435fcefd2c8e patch 8.1.0741: viminfo with Blob is not tested Bram Moolenaar <Bram@vim.org> parents: 15456 diff changeset	231
15454 1d2b5c016f17 patch 8.1.0735: cannot handle binary data Bram Moolenaar <Bram@vim.org> parents: diff changeset	232 #endif /* defined(FEAT_EVAL) */

Mercurial > vim

annotate src/blob.c @ 15515:99a4cc4782ac v8.1.0765